Xichao Ruan
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View article: Direct measurement of the 103Rh(n,γ) and 103Rh(γ,n) cross section up to stellar temperatures at the CSNS Back-n and SSRF SLEGS
Direct measurement of the 103Rh(n,γ) and 103Rh(γ,n) cross section up to stellar temperatures at the CSNS Back-n and SSRF SLEGS Open
View article: Constraints on dark matter boosted by supernova shock within the effective field theory framework from the CDEX-10 experiment
Constraints on dark matter boosted by supernova shock within the effective field theory framework from the CDEX-10 experiment Open
Supernova shocks can boost dark matter (DM) particles to high, yet nonrelativistic, velocities, providing a suitable mechanism for analysis within the framework of the nonrelativistic effective field theory (NREFT). These accelerated DM so…
View article: The a cluster effect in the neutron-induced a emitting reactions of Zn nuclei
The a cluster effect in the neutron-induced a emitting reactions of Zn nuclei Open
View article: Constraints on inelastic dark matter from the CDEX-1B experiment
Constraints on inelastic dark matter from the CDEX-1B experiment Open
We present limits on spin-independent inelastic WIMP-nucleus scattering using the 737.1 kg $\cdot$ day dataset from the CDEX-1B experiment. Expected nuclear recoil spectra for various inelastic WIMP masses $m_χ$ and mass splittings $δ$ are…
View article: Disrupted functional connectivity between visual and emotional networks in psychosis risk syndromes through representational similarity analysis
Disrupted functional connectivity between visual and emotional networks in psychosis risk syndromes through representational similarity analysis Open
Schizophrenic individuals experience a prolonged prodrome before their first episode, often referred to as Psychosis Risk Syndromes (PRS). The PRS is characterized by non-specific symptoms, yet the underlying neural mechanisms remain uncle…
View article: Development and Research Status of Hotel Digital Operation in China
Development and Research Status of Hotel Digital Operation in China Open
Digital operation is the only way for China’s hotel industry to adapt to the WEB 3.0 era in the future by reducing costs and increasing efficiency. This paper systematically combs the causes of the development of digital operation in China…
View article: The influencing factors of cognitive impairment in elderly individuals in Chengdu city: a cross-sectional study based on AD8
The influencing factors of cognitive impairment in elderly individuals in Chengdu city: a cross-sectional study based on AD8 Open
View article: Evaluations and calculations of neutron reactions on 238U up to 20 MeV
Evaluations and calculations of neutron reactions on 238U up to 20 MeV Open
In order to improve the quality of neutron data for 238U in CENDL, considering the impact of new measurements, a brand-new evaluation of the complete set of neutron induced 238U reaction data up to 20 MeV has been performed. Important reac…
View article: Probing dark matter particles from evaporating primordial black holes via electron scattering in the CDEX-10 experiment
Probing dark matter particles from evaporating primordial black holes via electron scattering in the CDEX-10 experiment Open
View article: Search for solar axions by Primakoff effect with the full dataset of the CDEX-1B Experiment
Search for solar axions by Primakoff effect with the full dataset of the CDEX-1B Experiment Open
We present the first limit on $g_{Aγ}$ coupling constant using the Bragg-Primakoff conversion based on an exposure of 1107.5 kg days of data from the CDEX-1B experiment at the China Jinping Underground Laboratory. The data are consistent w…
View article: First Search for Light Fermionic Dark Matter Absorption on Electrons Using Germanium Detector in CDEX-10 Experiment
First Search for Light Fermionic Dark Matter Absorption on Electrons Using Germanium Detector in CDEX-10 Experiment Open
We present the first results of the search for sub-MeV fermionic dark matter absorbed by electron targets of Germanium using the 205.4~kg$\cdot$day data collected by the CDEX-10 experiment, with the analysis threshold of 160~eVee. No signi…
View article: Constraints on the Blazar-Boosted Dark Matter from the CDEX-10 Experiment
Constraints on the Blazar-Boosted Dark Matter from the CDEX-10 Experiment Open
We report new constraints on light dark matter (DM) boosted by blazars using the 205.4 kg day data from the CDEX-10 experiment located at the China Jinping Underground Laboratory. Two representative blazars, TXS 0506+56 and BL Lacertae are…
View article: Measurement of the neutron capture cross sections of rhenium up to stellar <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>s</mml:mi></mml:math>- and <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>r</mml:mi></mml:math>-process temperatures at the China Spallation Neutron Source Back-n facility
Measurement of the neutron capture cross sections of rhenium up to stellar - and -process temperatures at the China Spallation Neutron Source Back-n facility Open
The neutron capture measurement of natural rhenium was performed with the time-of-flight technique at the Back-n facility of the China Spallation Neutron Source in the energy range from 1 to 500 eV of the resolved resonance region (RRR) an…
View article: Neutron capture reaction cross-section data processing and resonance parameter analysis of <sup>197</sup>Au based on white light neutron source
Neutron capture reaction cross-section data processing and resonance parameter analysis of <sup>197</sup>Au based on white light neutron source Open
Neutron capture reaction is one of the neutron reactions and plays an important role in using reactor control rods and shell materials, designing nuclear device structures, and studying nuclear astrophysics S processes and element origins.…
View article: Search for boosted keV-MeV light dark matter particles from evaporating primordial black holes at the CDEX-10 experiment
Search for boosted keV-MeV light dark matter particles from evaporating primordial black holes at the CDEX-10 experiment Open
We present novel constraints on boosted light dark matter particles (denoted as ``$\ensuremath{\chi}$'') from evaporating primordial black holes (PBHs) using $205.4\text{ }\text{ }\mathrm{kg}\ifmmode\cdot\else\textperiodcentered\fi{}\mathr…
View article: Projected WIMP sensitivity of the CDEX-50 dark matter experiment
Projected WIMP sensitivity of the CDEX-50 dark matter experiment Open
CDEX-50 is a next-generation project of the China Dark Matter Experiment (CDEX) that aims to search for dark matter using a 50-kg germanium detector array. This paper comprises a thorough summary of the CDEX-50 dark matter experiment, incl…
View article: Measurement of the $$ ^{181} $$Ta($$n,\gamma $$) cross sections up to stellar s-process temperatures at the CSNS Back-n
Measurement of the $$ ^{181} $$Ta($$n,\gamma $$) cross sections up to stellar s-process temperatures at the CSNS Back-n Open
View article: Search for exotic interactions of solar neutrinos in the CDEX-10 experiment
Search for exotic interactions of solar neutrinos in the CDEX-10 experiment Open
We investigate exotic neutrino interactions using the 205.4 kg$\cdot$day dataset from the CDEX-10 experiment at the China Jinping Underground Laboratory. New constraints on the mass and couplings of new gauge bosons are presented. Two nons…
View article: Progress in measurements of fission cross sections and total cross sections at CSNS Back-n white neutron source
Progress in measurements of fission cross sections and total cross sections at CSNS Back-n white neutron source Open
The neutron-induced cross sections are of great significance for the design of nuclear devices and advanced reactors for the nuclear energy production. At CSNS Back-n white neutron source, new measurements of the fission cross sections and…
View article: 12C(n,n + 3α) and 12C<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.svg"><mml:msup><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:mi>n</mml:mi><mml:mo>,</mml:mo><mml:msub><mml:mrow><mml:mi>α</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mrow><mml:mn>9</mml:mn></mml:mrow></mml:msup></mml:math>Be cross sections in the MeV neutron energy region
12C(n,n + 3α) and 12CBe cross sections in the MeV neutron energy region Open
Cross sections of the 12C(n, n+3α) reaction are of great significance in understanding the nuclear reaction mechanism and in the applications of nuclear technology. However, large differences (≈ 200%) exist in the 12C(n, n+3α) cross sectio…
View article: Searching for $^{76}$Ge neutrinoless double beta decay with the CDEX-1B experiment
Searching for $^{76}$Ge neutrinoless double beta decay with the CDEX-1B experiment Open
We operated a p-type point contact high purity germanium (PPCGe) detector (CDEX-1B, 1.008 kg) in the China Jinping Underground Laboratory (CJPL) for 500.3 days to search for neutrinoless double beta ($0νββ$) decay of $^{76}$Ge. A total of …
View article: Measurement of neutron-induced fission cross sections of 232Th from 1 to 300 MeV at CSNS Back-n
Measurement of neutron-induced fission cross sections of 232Th from 1 to 300 MeV at CSNS Back-n Open
232Th/233U fuel cycle is an alternate candidate for future nuclear energy. Neutron-induced fission cross section of 232Th is one of the important nuclear data if using thorium as the fuel in the future. 232Th(n, f) cross sections from 1 to…
View article: <sup>63</sup>Cu(<i>n</i>, <i>α</i>)<sup>60</sup>Co cross sections in the MeV region
<sup>63</sup>Cu(<i>n</i>, <i>α</i>)<sup>60</sup>Co cross sections in the MeV region Open
Cross sections of the 63 Cu( n , α ) 60 Co reaction in the MeV neutron energy region were measured using both the direct measurement method and the activation method. A twin-gridded ionization chamber was used for the direct measurement wh…
View article: Measurement of the 134Xe(n, 2n) 133m,gXe and 136Xe(n, 2n) 135m,gXe Reaction Cross-Sections and Isomeric Ratios Induced by the 14.8 MeV Neutrons
Measurement of the 134Xe(n, 2n) 133m,gXe and 136Xe(n, 2n) 135m,gXe Reaction Cross-Sections and Isomeric Ratios Induced by the 14.8 MeV Neutrons Open
View article: Exotic Dark Matter Search with the CDEX-10 Experiment at China’s Jinping Underground Laboratory
Exotic Dark Matter Search with the CDEX-10 Experiment at China’s Jinping Underground Laboratory Open
A search for exotic dark matter (DM) in the sub-GeV mass range has been conducted using 205 kg day data taken from a p-type point contact germanium detector of the CDEX-10 experiment at China's Jinping underground laboratory. New low-mass …
View article: Constraints on Sub-GeV Dark Matter–Electron Scattering from the CDEX-10 Experiment
Constraints on Sub-GeV Dark Matter–Electron Scattering from the CDEX-10 Experiment Open
We present improved germanium-based constraints on sub-GeV dark matter via dark matter-electron (χ-e) scattering using the 205.4 kg·day dataset from the CDEX-10 experiment. Using a novel calculation technique, we attain predicted χ-e scatt…
View article: Search for boosted keV-MeV light dark matter particles from evaporating primordial black holes at the CDEX-10 experiment
Search for boosted keV-MeV light dark matter particles from evaporating primordial black holes at the CDEX-10 experiment Open
We present novel constraints on boosted light dark matter particles (denoted as ``$χ$'') from evaporating primordial black holes (PBHs) using 205.4 kg$\cdot$day data from the China Jinping Underground Laboratory's CDEX-10 p-type point cont…
View article: Search for exotic interactions of solar neutrinos in the CDEX-10 experiment
Search for exotic interactions of solar neutrinos in the CDEX-10 experiment Open
We investigate exotic neutrino interactions using the 205.4 kg$\cdot$day dataset from the CDEX-10 experiment at the China Jinping Underground Laboratory. New constraints on the mass and couplings of new gauge bosons are presented. Two nons…
View article: Constraints on sub-GeV dark matter boosted by cosmic rays from the CDEX-10 experiment at the China Jinping Underground Laboratory
Constraints on sub-GeV dark matter boosted by cosmic rays from the CDEX-10 experiment at the China Jinping Underground Laboratory Open
We present new constraints on light dark matter boosted by cosmic rays (CRDM) using the 205.4 kg day data of the CDEX-10 experiment conducted at the China Jinping Underground Laboratory. The Monte Carlo simulation package CJPL\_ESS was emp…
View article: Exotic Dark Matter Search with CDEX-10 Experiment at China's Jinping Underground Laboratory
Exotic Dark Matter Search with CDEX-10 Experiment at China's Jinping Underground Laboratory Open
A search for exotic dark matter (DM) in the sub-GeV mass range has been conducted using 205 kg$\cdot$day data taken from a p-type point contact germanium detector of CDEX-10 experiment at China Jinping underground laboratory. New low-mass …